🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.49 AU - 0.59 AU

Year: 252 Days

Day: 18 Hours

Environment

Temp: -128 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,609,008 km

• M1: 39,943 km (0.102 R)
• M2: 109,655 km (0.063 R)

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.4

Radius: 11.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1 AU - 1.34 AU

Year: 805 Days

Day: 13.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,609,008 km

• M1: 146,157 km (0.068 R)
• M2: 552,016 km (0.052 R)
• M3: 1,116,299 km (0.087 R)
• M4: 2,271,943 km (0.093 R)
• M5: 2,675,708 km (0.066 R)
• M6: 3,329,600 km (0.101 R)
• M7: 4,374,092 km (0.056 R)
• M8: 5,452,394 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620

Radius: 13.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.04 AU - 1.38 AU

Year: 846 Days

Day: 12.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,609,008 km

• M1: 171,589 km (0.104 R)
• M2: 612,005 km (0.084 R)
• M3: 1,440,029 km (0.12 R)
• M4: 1,881,941 km (0.05 R)
• M5: 2,714,753 km (0.099 R)
• M6: 3,204,087 km (0.12 R)
• M7: 3,899,268 km (0.097 R)
• M8: 4,592,655 km (0.085 R)
• M9: 5,535,869 km (0.081 R)
• M10: 5,983,765 km (0.114 R)
• M11: 6,908,729 km (0.054 R)
• M12: 8,048,814 km (0.098 R)
• M13: 8,523,339 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 12.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.65 AU - 2.21 AU

Year: 1705 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,609,008 km

• M1: 155,731 km (0.105 R)
• M2: 596,148 km (0.119 R)
• M3: 1,088,175 km (0.103 R)
• M4: 1,521,560 km (0.096 R)
• M5: 2,259,676 km (0.098 R)
• M6: 2,837,872 km (0.11 R)
• M7: 3,496,850 km (0.097 R)
• M8: 4,015,356 km (0.097 R)
• M9: 4,525,635 km (0.112 R)
• M10: 5,186,409 km (0.081 R)
• M11: 6,830,639 km (0.114 R)
• M12: 8,105,213 km (0.114 R)
• M13: 8,644,962 km (0.081 R)
• M14: 9,208,647 km (0.034 R)
• M15: 10,655,108 km (0.103 R)
• M16: 11,120,807 km (0.12 R)
• M17: 12,170,385 km (0.081 R)
• M18: 12,959,813 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.5

Radius: 8.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.21 AU - 3.97 AU

Year: 4325 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,609,008 km

• M1: 109,506 km (0.063 R)
• M2: 409,599 km (0.12 R)
• M3: 1,039,556 km (0.077 R)
• M4: 1,370,167 km (0.094 R)
• M5: 2,048,294 km (0.038 R)
• M6: 2,880,956 km (0.085 R)
• M7: 3,172,522 km (0.081 R)
• M8: 4,168,245 km (0.038 R)
• M9: 4,446,946 km (0.048 R)
• M10: 5,146,316 km (0.111 R)
• M11: 5,946,067 km (0.04 R)
• M12: 6,330,533 km (0.029 R)
• M13: 8,957,621 km (0.099 R)
• M14: 11,008,010 km (0.087 R)
• M15: 12,283,481 km (0.113 R)
• M16: 15,675,613 km (0.111 R)
• M17: 17,109,060 km (0.028 R)
• M18: 18,378,996 km (0.102 R)
• M19: 24,164,843 km (0.058 R)
• M20: 24,840,726 km (0.117 R)
• M21: 25,838,993 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.2

Radius: 14.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.22 AU - 6.54 AU

Year: 9066 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,609,008 km

• M1: 182,809 km (0.074 R)
• M2: 821,741 km (0.092 R)
• M3: 1,326,933 km (0.104 R)
• M4: 2,702,336 km (0.118 R)
• M5: 4,220,306 km (0.06 R)
• M6: 5,103,681 km (0.061 R)
• M7: 6,107,483 km (0.116 R)
• M8: 6,924,437 km (0.103 R)
• M9: 7,481,539 km (0.08 R)
• M10: 8,285,478 km (0.113 R)
• M11: 9,623,182 km (0.098 R)
• M12: 10,369,526 km (0.086 R)
• M13: 15,350,537 km (0.111 R)
• M14: 19,939,451 km (0.086 R)
• M15: 27,578,816 km (0.053 R)
• M16: 31,394,011 km (0.114 R)
• M17: 32,482,634 km (0.12 R)
• M18: 33,036,296 km (0.111 R)
• M19: 36,017,782 km (0.074 R)
• M20: 36,850,294 km (0.099 R)
• M21: 38,801,050 km (0.097 R)
• M22: 42,511,077 km (0.105 R)
• M23: 43,709,057 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315

Radius: 3.7

Gravity: 23.01 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.73 AU - 9.39 AU

Year: 17339 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,609,008 km

• M1: 46,076 km (0.098 R)
• M2: 252,521 km (0.088 R)
• M3: 411,993 km (0.114 R)
• M4: 910,004 km (0.076 R)
• M5: 1,242,410 km (0.097 R)
• M6: 2,106,188 km (0.09 R)
• M7: 2,814,684 km (0.078 R)
• M8: 3,090,692 km (0.049 R)
• M9: 5,549,931 km (0.065 R)
• M10: 7,678,260 km (0.05 R)
• M11: 8,635,088 km (0.081 R)
• M12: 11,284,317 km (0.107 R)
• M13: 12,155,874 km (0.105 R)
• M14: 12,275,403 km (0.088 R)
• M15: 13,513,924 km (0.109 R)
• M16: 17,725,403 km (0.048 R)
• M17: 20,377,175 km (0.101 R)
• M18: 30,003,947 km (0.12 R)
• M19: 31,330,282 km (0.095 R)
• M20: 32,810,703 km (0.118 R)
• M21: 36,033,190 km (0.1 R)
• M22: 42,683,713 km (0.1 R)
• M23: 43,516,076 km (0.11 R)
• M24: 43,795,973 km (0.03 R)
• M25: 43,936,296 km (0.118 R)
• M26: 53,237,993 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.7

Radius: 6.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.02 AU - 9.8 AU

Year: 18353 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,609,008 km

• M1: 86,767 km (0.119 R)
• M2: 823,387 km (0.099 R)
• M3: 1,897,051 km (0.116 R)
• M4: 2,469,262 km (0.03 R)
• M5: 3,762,087 km (0.099 R)
• M6: 4,170,041 km (0.11 R)
• M7: 4,449,489 km (0.091 R)
• M8: 4,961,713 km (0.047 R)
• M9: 7,782,380 km (0.091 R)
• M10: 10,892,371 km (0.103 R)
• M11: 12,694,127 km (0.108 R)
• M12: 13,012,472 km (0.066 R)
• M13: 21,666,708 km (0.074 R)
• M14: 23,287,153 km (0.091 R)
• M15: 33,714,872 km (0.073 R)
• M16: 34,019,453 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.2

Radius: 6.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.77 AU - 10.77 AU

Year: 19417 Days

Day: 23.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,609,008 km

• M1: 91,404 km (0.048 R)
• M2: 625,768 km (0.099 R)
• M3: 966,552 km (0.113 R)
• M4: 1,360,892 km (0.057 R)
• M5: 1,904,979 km (0.104 R)
• M6: 2,156,154 km (0.061 R)
• M7: 2,787,607 km (0.092 R)
• M8: 3,462,443 km (0.107 R)
• M9: 4,213,274 km (0.113 R)
• M10: 7,352,436 km (0.106 R)
• M11: 8,101,622 km (0.1 R)
• M12: 9,996,429 km (0.112 R)
• M13: 10,602,450 km (0.08 R)
• M14: 14,957,693 km (0.064 R)
• M15: 18,146,521 km (0.077 R)
• M16: 21,264,589 km (0.041 R)
• M17: 23,036,427 km (0.092 R)
• M18: 23,384,690 km (0.115 R)
• M19: 26,298,707 km (0.1 R)
• M20: 26,679,284 km (0.057 R)
• M21: 28,636,922 km (0.115 R)
• M22: 29,344,071 km (0.077 R)
• M23: 30,062,889 km (0.099 R)
• M24: 31,216,139 km (0.064 R)
• M25: 31,642,642 km (0.117 R)
• M26: 32,398,411 km (0.086 R)
• M27: 34,510,583 km (0.101 R)
• M28: 36,007,459 km (0.043 R)
• M29: 38,760,958 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.6

Radius: 6.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.9 AU - 9.94 AU

Year: 19866 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,609,008 km

• M1: 89,609 km (0.037 R)
• M2: 562,638 km (0.098 R)
• M3: 1,746,555 km (0.105 R)
• M4: 3,249,116 km (0.06 R)
• M5: 4,568,719 km (0.101 R)
• M6: 5,498,470 km (0.12 R)
• M7: 6,941,640 km (0.088 R)
• M8: 8,066,467 km (0.101 R)
• M9: 17,140,924 km (0.085 R)
• M10: 17,803,044 km (0.064 R)
• M11: 18,568,387 km (0.088 R)
• M12: 24,968,932 km (0.074 R)
• M13: 28,372,583 km (0.1 R)
• M14: 33,716,667 km (0.081 R)
• M15: 36,218,243 km (0.036 R)
• M16: 41,292,453 km (0.115 R)
• M17: 52,476,539 km (0.114 R)
• M18: 55,110,210 km (0.078 R)
• M19: 55,647,266 km (0.108 R)
• M20: 56,550,239 km (0.035 R)
• M21: 56,914,061 km (0.082 R)
• M22: 60,449,358 km (0.08 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 18,701 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit